Guild Gemology Education Reports on Gemfields’ $32 Million Auction: “… a Measured Signal of...
Andrew "Andy" Lucas is the President of Guild Gemology Education. A former GIA field gemologist and education manager, Lucas has spent more than four...
The Montana Gem Travelogue: A Firsthand Look at Sapphires, Gemology, and Big Sky Mining
The following is a review of Eric Emms' Montana sapphire mining adventure.
"Hunting Montana Sapphires"This past June, Eric Emms, well-respected British gemmologist, educator, and Hatton...
Stones and Reveries: The Poetry and Minerals of Roger Caillois
L'ÉCOLE, School of Jewelry Arts, in partnership with France's Muséum national d'histoire naturelle (MNHN), presents a retrospective dedicated to the collection of the great...
Big Bicolor: GIA Studies Rare 37-Carat Pink-and-Colorless Rough Diamond
...and you thought you were under a lot of stress.
GABORONE, BOTSWANA – The GIA laboratory in Botswana recently examined an extraordinary 37.41-carat pink-and-colorless rough...
The Italians are Coming! The Edit: A Gallery of Italian Jewelry Masterpieces
NEW YORK – The Edit, an exhibition of contemporary Italian jewelry design, will be held just following the JA Show, in New York City...
Photomicrography: Images from Within, by Sammantha Maclachlan
Images by Sammantha Maclachlan
Sammantha Maclachlan FGA DGA FIRV MJVA AJP PJDIP CPAA - JVA Registered Valuer®ï¸
Winner of the Gordon Ness trophy (gemmology)
Fellow of the...
ZaZa Azul: A Paraíba for the People
How a beloved 13.34-carat tourmaline went from a private treasure to the Smithsonian
WASHINGTON, D.C. – On Tuesday morning, September 16th, 2025, the Smithsonian Institution's...
Rediscovering Marcus & Co.: Macklowe Gallery Brings Masterpieces Into the Spotlight
NEW YORK – For decades, Marcus & Co. has been one of those elusive names in American jewelry history: admired by connoisseurs, but shrouded...
A Heritage Auction Marathon: Over 500 items – an All Day All Night Sale,...
In our last report on Heritage Auctions' September 29 Fall Fine Jewelry Signature® Sale, we focused on a few beautiful pieces of colored gemstone...
Tariffs Squeeze Moonstone Trade: 50% India Tariffs are Affecting Business Right Now
Having just returned from California, where GIA's Symposium and AGS's Conclave joined forces as CONVERGE, we had an opportunity to visit with Manu Nichani...
CGH Opens 5th Annual Fundraiser alongside MJSA’s Responsibly Sourced Design Challenge!
Columbia Gem House (CGH) has launched its fifth annual online fundraising raffle, "Opals for Outback Heroes," inspired by – and directly benefiting – the...
GIA Research: Akoya Bead Cultured (BC) Pearls with 1.6mm Nacre Thickness!
When we talk about akoya cultured pearls, we usually think of the traditional mollusks used for pearl farming – members of the Pinctada fucata...
